| Class | IMO Description | |
|---|
| Class 1 | Explosives |
![Explosives]() |
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| 1.1 |
Substances and articles which have a mass explosion hazard. |
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| 1.2 |
Substances and articles which have a projection hazard but not a mass explosion hazard. |
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| 1.3 |
Substances and articles which have a fire hazard and either a minor blast hazard or a minor |
|---|
| projection hazard or both, but not a mass explosion hazard. |
| 1.4 |
Substances and articles which present no significant hazard. |
|---|
| 1.5 |
Very insensitive substances which have a mass explosion hazard. |
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| 1.6 |
Extremely insensitive articles which do not have a mass explosion hazard. |
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| Class 2 | Gases: Compressed, Liquefied or Dissolved under Pressure | |
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| 2.1 |
Flammable gases |
![Flammable Gases]() |
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| 2.2 |
Non-Flammable gases |
![Non-Flammable Gases]() |
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| 2.3 |
Toxic gases |
![Toxic Gas]() |
|---|
| Class 3 | Flammable Solids or Substances | ![Flammable Liquid]() |
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| Class 4 | Flammable Solids or Substances | |
|---|
| 4.1 |
Flammable solids |
![Flammable Solids]() |
|---|
| 4.2 |
Substances liable to spontaneous combustion |
![Spantaneously Combustible]() |
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| 4.3 |
Substances which, in contact with water, emit flammable gases. |
![Dangerous when wet]() |
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| Class 5 | Oxidizing Substances (agents) and Organic Peroxides | |
|---|
| 5.1 |
Oxidizing substances (agents) by yielding oxygen increase the risk and intensity of fire |
![Oxidizing Agent]() |
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| 5.2 |
Organic peroxides - most will burn rapidly and are sensitive to impact or friction |
![Organic peroxide]() |
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| Class 6 | Toxic and infectious Substances | |
|---|
| 6.1 |
Toxic substances |
![Toxic]() |
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| 6.2 |
Infectious substances |
![Infectious substances]() |
|---|
| Class 7 | Radioactive Substances | ![Radioactive Substance]() |
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| Class 8 | Corrosives | ![Corrosive]() |
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| Class 9 | Miscellaneous dangerous substances and articles * | ![Miscellaneous dangerous substances and articles]() |
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